Face mask



FIG. 1 is a perspective view of a face mask in accordance with the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing of the human head depicts environmental structure and forms no part of the claimed design. All other broken lines depict portions of the face mask that form no part of the claimed design. 

CLAIM The ornamental design for a face mask, as shown and described. 